Push off for sweep rakes



Sept. 11, 1928. 1,684,264 J. H. COPE PUSH OFF FOR swEnP RAKES Filed Feb.27, 1926 a Sheets-Sheet 1 amma Sept. 11, 192 8 J. H. COPE PUSH OFF FORSWEEP RAKES 3 Sheets-Sheet 2 Filed Feb. 27, 1926 \llllsnul M. .i.- l v I{lull Sept. 11, 1928. 1,684,264

J. H. COPE PUSH OFF FOR SWEEP naxs's' Filed Feb. 27, 1926 3 5318015511981 3 amulet I Z II I I Patented Sept. 11, 1928.

Jessie H. tore, 0 F sometime.

PUSH OFF FOR swan? Rises.

Application filed February 27, 1926. seriai Na.91,053.

This invention relates to improvements in sweep rakes of the typedescribed and claiinedin United States Letters Patent No.

1,205,973,. granted to me on. the 28th day of November, 1916.

In. rakes of this type the rake head is located in front of the horsesand is pushed against the haythat is to be gathered. lVhen a load of hayhas been col ected the rake head is tilted upwardly so that the ent re,

v weight of the load will be carried on the wheels to which the rakehead, is attached. lVith the rake head in the elevated position, theload can be transported to the stacker. The stacker is a device employedfor elevating. the hay and for depositing, it onto the stack and isprovided with a stacker head that resembles the rake head. The hay mustbe transferred from the rake head. to the stacker head and this isaccomplished by driving the rake towards the stacker and placing the twoin such a positionthat the rake head with. its load is directly abovethe stacker head and then lowering the rake head after which the rake'isbacked away thereby withdrawing the rake headand leaving the hay. on thestacker head. hen the rake is backed away from the stacker the, hay hasa tendency to follow and this makes it necessary 'to provide some pushoff means that will hold the hay so as to prevent it from following therake head and it is to im rovemcn'ts in the push off device to whichthis invention relates.

In order to describe my invention I have shown a sweep rake to whichmyinvention has been applied referencewill thereforebe had to theaccompanylng drawings 1n which my invention has been illustrated and inwhich:, 77

.Fig'. 1 is a plan view of a sweep rake to which my invention has beenapplied;

F ig. 2 is a [section taken on line 2-2', Fig. 1;

Fig. l a central longitudinal section taken on line 4i .4,'Fig. 1 andshows the push off device in normal or inoperative position; 7

Fig. 5 is a view similar to that shown in Fig. ii: but with the push offdevice in its extreme .operativepdsition; a F ig. ,6 is a viewsimilar tothe views shown in; Figs. 4 and 5 but showing only a is a section takenon line 33,

3 The framework (1.

portion of the rakeand is intended to illi istratei a certain modifiedconstruction;

Fig. 7 is a "section taken on liiie 7 7, Fig. 5; i

Fig. 8 is Fig. 1; Fig. 9 Fig. '8; and r p Fig. 10 is a section taken online 10 -10, Fig.

a section taken on line .88:,

a section taken on line "99,

Since "this invention relates more particularly to the push o'il'"mechanism, I shall limit my description of the rake co strue tion tothose parts that must be described in order; to elvplain this invention.The sweep rake to which my improved push off mechanism has been appiiea,dmpnses a rake head that has been "designated as a whole by the letter A"ii 11d to which the rake head is tiltably connected. Secured to therear eiid' of the frame B are two wheels 1 aiid 2 which are mounted ininclined forks 3 that have a pivotal cennection with the frame andfunction in the manner of ordinary casters. An a-Xle 4 is secured to theupper surface of the teeth 5 of the rake head jand carry wheels whoseupper surfaces are-shielded by the guards 7. The frame B has member 8and 9' whose forward ends are pivbted to plates 10 that in turn fastenedto the vertical framework C at the rear of the rake head.

consists of several right members 11 to which transverse horizontal bars12 are connected; The frame- B is providedwith seat 13 and a controllever 14 which is pivoted at 15 has its lower end 16, which-is forwarddiie tien-cpnnected with the lower end of the lever 17 (by means of alink 18) whose up;

per end is connected with the vertical end framework C by means ofarigid bar 19. Since the bars 8 and 9 are connected with the verticalframework C at lower "point than bar 19; itis evident that thera'ke headA may be tilted about the axisof" the wheel'sv 6 by. means of the handle14. Whenthe' rake is being loaded the teeth are tilted into the positionshown in Figs. 4 and 5 and :whe'n. the rake has been fully loaded therake head is. tilted in a counter clockwise direction until the teethare at. least parallel with the ground or slightly inclined downwardlyina' rearward direction. For the purpose of assisting in iin'loa'ding'thehay angle iron brackets which are secured to the underside of eachof these teeth ,by

means of bolts or rivets 21. Pivoted at 22 to the vertical side of eachof the brackets 20, is a bar 23 which, is bent in the manner shown inFigs. 4 and 5. A bar 24 is secured. to the free ends of the bars 23 bymeans of bolts or rivets Diagonal braces 26 ex-' tend from the bar 24tothe bars 23 and serve to holdthe parts rigid. The assembly comprisingthe bars 23, 24 and braces 26 may be moved about the pivots 22 to thepositions shown in Figs. 4 and 5 or to' any intermediate position. Forthe purpose of moving the push off assembly about its pivot, as the rakeis moved rearwardly, a triangular brace comprising sides 27 and a basemember 28 is employed. Secured to thesides, near thebase are curved bars29 which are pivoted to the sides 23 at 30. Secured to the apex of thetriangle is a plate lil whose end 32 is inclined'downwardly so as toform a prong that will penetrate the surface of the ground in the mannerindicated by dotted lines in Fig. 4. For a purpose which will. presentlyappear, a yoke member 33 has been. secured to the upper surface of thebars 27 by means of bolts 34, in the manner shown in Fig. 9. .A bar 35is secured to the top of the sides 8 and 9 and carries a bracket 36 towhich is pivoted a bell crank lever having arms 37 and 38. A straightbar 39 pivoted at 40 to the end of the arm 38 and has its front endslidably mounted in the slot 41 (Fig. 8) in one of the uprights 11 andhas two or more openings 42 for the reception of a pin that serves as alimit stop. .A rigid bar 43 has its forwardend pivoted at 44 to abracket 45 that is attached to one of the transverse bars 12. The otherend of bar 43' has an elongated opening or slot 46 through which thebolt 47 extends. The bolt 47 also passes through the end of the arm 37and through a hole in the end of the rigid locking bar 48. a The otheror free end of the bar 48 has a notch 49 which is adapted to engage thevertical side of the angle 50 when the parts of the push oil device arein the position shown in Fig. 4. \Vhen the parts are to be released sothat they may assume the position shown in Fig.

5, this can be accomplished by lifting the end 51 of the bar 48so as toraise it above the angle 50. y 7

Let us now assume that the parts are in the position shown in' Fig. 4and that the rake head contaiusa load 'ot'hay, which it is de sired tounload. Before the rake is moved rearwardly the operator .lii tsthe end'51-by inserting histoe underneath the same; this permits the bar 39 andthe triangular push oil member comprising the bars 27 to drop down ntothe dotted line position, in which position the prong 32 Wlll rest uponthe. ground. The rake is now moved in a rearward direction. As soon asthe rake begins to move rearwardly the prong 32 will enter the groundand hold the bars 27 from moving rearwardly. As the rake and rake headcontinue to move rearwardly, the push off frame that comprises the bars23 and the bar 24 will be rotated about the pivots 22 towards theposition shown in Fig. 5. Since the bars 27 are connectedto the sidebars 23 at a point between the pivots 22 and the bar 2'4, the latterwill move forwardly at a greater rate than that at which the rake;

moves rearwardly which helps to compensate for-the compression of thehay. As the rake moves rearwardly, the front end of the triangular pushmember will rise slightly 0wing to the fact that the pivots 30 travel inthe arc of a circle; this rising motion will cease, however, as soon asthe pivots 30 reach a position drectly above the pivots 22 after whichthey will move downwardly along the are of the circle which formsthelocus of their travel. It will be noted that theyoke member 33encircles the bar 39 which is inclined in the manner shown; When the orin a counter-clockwise direction the rake head will be moved in the samedirection;

this will cause the bar 43 to move rearwardly.

and when the bolt 47 is engaged by the end of the slot 46,the bell cranklever willbe rotated about its pivot thereby raising the arm 38 andattached bar 39 and moving the bar 48 rearwardly until the angle 50 willengage the notch 49, when this occurs the handle 14 can be movedforwardly again so as to bring the rake head into operative posttronwithout in any way effecting the ad ust-' ment of the bar 39. The bar 43on account of the slot 46 has sufficient lost motion to permit the headto be tilted into or out of operative position without affecting theadjustments of the push off device. VVhenthe -parts are in the positionshown in Fig. 4 the prong 32 is held above the ground and can'- nottherefore interfere in any way with the normal operation ofthe rake.

In Fig. 6 I have shown a modified con- 'struction in which the bar 43 isdispensed llfi with. In place of the bar 43 I have provided a bracket"52 that is secured to the bar 148. This bracket has an arm or projection53 that extends intofthe path of the lever 17, hen the lever 14 is movedcounter-clockwise, the lever 17 will engage the projection 53'and movethe bar 48 rearwardly until the notch 49 is engaged by the angle 50. Thebar 43 and the bracket 52 are equivalent means for moving the push off'mecl ianism to inoperative position. The block 5% (Fig. 2) has aprojecting portion 55 that extends over the top of the bar 48 so as toform a stop that prevents it from being moved too far.

' It will be noted that the push off device described has severalimportant features of.

' which the rake head is moved in a rearward direction whereby the hayis compressed and moved towards the end of the rake teeth.

Having now described my invention what is claimed as newis:

1. A sweep rake comprising, in combination, a frame, a rake headtiltably connected to the frame, means for tilting the rake head withrespect to the frame, a push off frame having its lower end pivotallyconnected with the rake head, a push off bar having one end pivotallyconnected with the push off frame between the pivot point and the freeend, the free end of said bar having means for engaging the ground, andmeans for raising the free end of the bar out of engagement with theground when the ink head is tilted in one difection.

2. A. sweep rake comprising, in combination, a frame, a rake headprovided with teeth tiltably connected with the frame, means for tiltingsaid rake head, a push off device comprising one portion pivotally connected with the teeth and a bar having one end pivoted to the portionthat is connected with the teeth, said bar being mounted to have itsfree end move into and out of contact with the ground, means for raisingsaid bar when the rake head is tilted in one direction and means forholding the member in raised position during further tilting of the rakehead.

3. A sweep rake comprising, in combination, a rake head, and apush-offdevice associated therewith, said push-off device having a framepivotally attached to the lower part of the rake head and freely movablethrough a limited are, said frame extending upwardly from its pivot anda rigid frame having its forward end. pivoted to the pivoted frame andits rear end provided with means to penetrate the surface of the ground,the front end or saidrigid frame. being higher than the rear end, h Asweeprake-comprising, in combination, a rake head having a plurality ofteeth arranged in parallel relation in a common plane, means comprisingapair of spaced whee -s for supporting said rake head, means for tiltingthe r; he head about the axis of thewheels, a push-off frame having itslower end pivoted to the teeth and extending in an upward direction,said frame being free to move through a limited are, a rigid frame 7having its forward end pivoted to the pivoted push-off frame at a pointspaced from the pivots about which the latter frame moves, said rigidframe being downwardly and rearwardly inclined. the rear end of saidrigid frame being provided with means for penetrating the ground, andmeans for moving the penetrating means out of contact with the groundandfor holding it in inoperative position. a 5. A sweep rake having a rakehead provided with a: plurality of forwardly projecting teeth, apush-off frame having one end pivoted to saidfrake teeth and free toswing in an are about said pivot, a rigid I frame having its forward endpivotally attached to the push-off frame between. the pivot and the freeend thereof, and having its rear end free to be moved into and out ofcontact with the ground and means for automatically raising the rear endof the rigid frame when it has been moved forwardly to a predeterminedextent.

6.111 a sweep rake, in combination, a rake head having forwardlyprojecting teeth, means comprising spaced wheels for supporting saidrake head, a push-oif frame having its lower end pivoted to sa id teethand free to be moved through a limited are, a rigid frame having one endattached to the push off frame, the free end of said rigid frame beingsupported for movement into engagement with the ground whereby it willturn the push off frame about its pivot when the rake head is movedrearwardly, means for automatically raising the free end of the rigidframe out of contact with the ground when the push-off device has moveda predetermined distance, means for tilting the rake head and meansoperated by the tilting means for raising the free end of the rigidframe and for looking it out of contact with the ground. I

7. In a sweep rake, in combination, a rake head, a push-off frameassociated therewith, a pusher bar connected at one end with thepush-off frame and having the other end free to move into and out ofcontact with the ground, means made operative by the forward movementofv the push-off device for raising the free end of the pusher bar outof contact with the ground when the a push-off frame pivotally attachedat its lower end to the rake teeth, said frame when in inoperativeposition occupying a posi tion in which all parts thereof are to therear of-avertical plane passing through the pivots, a push bar connectedat its forward end to said frame at a point spaced from the pivotwhereby when the bar moves the push-off frame in a forward direction thefront end of the bar will move along an arc, said push bar extendingover the transverse frame member and having its rear end free to engagethe ground whereby said bar will come into contact with the transverseframe member. when the push off frame has been rotated forwardly througha predetermined arc and whereby a further movement of the push-off framewill raise the rear end of the push bar.

9; A" sweep. rake comprising, in combi-' nation, a rake head having atransversely extending frame member to which the rear ends of a luralityof raketeeth are secured, a push-oft frame pivotally attached at itslower end to the rake teeth, said frame when in inoperative positionoccuping a position in which all parts thereof are in a position to therear of a vertical plane passing through thepivots, a push bar connectedat its forward end to said frame at a point spaced from the pivotwhereby when the bar moves the push-off device in a forward directionthe front end of'the bar will move along an are, said push bar extendingover the transverse frame member and having its rear end free to engagethe ground. means for tiltingthe rake head, means for raising the freeend of thepusher bar when the rake head is tilted in one direction andmeans for locking the push bar in raised position.

In testimony whereofI aflix my signature;

JOSEPH H. core.

